212223401012 has 24 divisors (see below), whose sum is σ = 426350163456. Its totient is φ = 90545023008.

The previous prime is 212223400979. The next prime is 212223401029. The reversal of 212223401012 is 210104322212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16987943 + ... + 17000430.

It is an arithmetic number, because the mean of its divisors is an integer number (17764590144).

Almost surely, 2^212223401012 is an apocalyptic number.

It is an amenable number.

212223401012 is an abundant number, since it is smaller than the sum of its proper divisors (214126762444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212223401012 is a wasteful number, since it uses less digits than its factorization.

212223401012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33988607 (or 33988605 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 212223401012 its reverse (210104322212), we get a palindrome (422327723224).

The spelling of 212223401012 in words is "two hundred twelve billion, two hundred twenty-three million, four hundred one thousand, twelve".